Hoechst Celanese is science-based, market-driven companies, who produce and market chemicals, fibres and films, engineering plastics, high-performance and speciality materials, pharmaceuticals, and animal-health and crop-protection products.
Hollow fibre is a word for a particular Polyester hollow fibre, first introduced to the market in 1980. The cross-section of this fibre has a tubular form that contains one or more holes and gives the following advantages over robust fibres more resilience/recovery.
HOLLOW FIBRES DIAGRAM
Homeostasis is a term used to describe the ability of a physiological system to maintain internal stability, because of the coordinated responses of its constituent parts to stimuli that tend to disturb normal conditions.
Honeycomb fabric is the term used to describe a manufactured tissue consisting of sheet materials /fibres formed into an open-ended network of hexagonal cells, each cell’s wall shared with its immediate neighbours.
Hook & eye closure is a two-part fastening device consisting of a metal hook that catches over a bar or into a loop.
Hopsacking is a course, open, basket-weave fabric. The name comes from the plain-weave hemp and jute fibre for sacking in which hops gathered. Made from cotton, wool, linen, rayon, silk, hemp, or jute, it has a somewhat rough texture and is quite durable and often bulky.
Hotspots (biodiversity) is a term used to describe an area that features exceptional concentrations of endemic species and faces an imminent threat of habitat destruction. There are identified around 18 -25 hotspots worldwide depending on the criteria used.
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